| Literature DB >> 14123430 |
Abstract
Entities:
Keywords: BIRTH WEIGHT; INFANT MORTALITY; INFANT, NEWBORN; NEGROES; PREGNANCY; SMOKING; STATISTICS
Mesh:
Year: 1964 PMID: 14123430 DOI: 10.1016/0002-9378(64)90509-5
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN: 0002-9378 Impact factor: 8.661